/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMBlueprint.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="VM") virtual [TArray](API\Runtime\Core\Containers\TArray)< [UStruct](API\Runtime\CoreUObject\UObject\UStruct) * > GetAvailableRigVMStructs() const